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Updated: Oct 26, 2025

Injectable Supramolecular Polymer-Nanoparticle Hydrogels for Cell and Drug Delivery Applications
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Protein-Based Nanohydrogels for Bioactive Delivery.

Subhash Chander1, Giriraj T Kulkarni2,3, Neerupma Dhiman2

  • 1Amity Institute of Phytochemistry and Phytomedicine, Amity University, Noida, India.

Frontiers in Chemistry
|July 26, 2021
PubMed
Summary
This summary is machine-generated.

Protein nanohydrogels are versatile biomaterials with tunable properties. This review explores their preparation, characteristics, and applications in drug delivery, regenerative medicine, and wound healing.

Keywords:
biodegradabilitydrug deliverynanohydrogelsnatural proteinpolymeric networksself-assembly

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Area of Science:

  • Biomaterials Science
  • Nanotechnology
  • Polymer Chemistry

Background:

  • Hydrogels are 3D polymer networks that absorb significant fluid.
  • Nanohydrogels (NGs) are nanoscale hydrogels derived from synthetic or natural polymers.
  • Protein/peptide-based NGs offer biocompatibility and biodegradability.

Purpose of the Study:

  • To review protein/peptide nanohydrogels.
  • To analyze their preparation, biophysiochemical properties, and applications.
  • To discuss clinical potential, limitations, and future directions.

Main Methods:

  • Exploration of various protein sources (fibroin, albumin, collagen, etc.).
  • Discussion of fabrication techniques (emulsion, electrospray, desolvation).
  • Analysis of stimuli-responsive properties (pH, temperature, ionic concentration).

Main Results:

  • Protein NGs exhibit tunable mechanical strength and molecular binding.
  • Applications span drug delivery, immunotherapy, cell adhesion, and wound dressing.
  • Naturally occurring structural proteins are key components.

Conclusions:

  • Protein nanohydrogels are promising biomaterials for diverse biomedical applications.
  • Further research is needed to address toxicity, stability, and clinical translation.
  • Their biocompatibility and biodegradability highlight significant therapeutic potential.